Hex #276697 or rgb(39,102,151) in RGB space is the tint of blue. It has hue angle of 206.25 degrees, value = 59 and saturation = 74. #276697 can be obtained by mixing 4 colors: 2 drops of magenta, 2 drops of blue, 5 drops of cyan, 4 drops of black.
Nearest safe hex - #336699. Below you can see the block with #276697 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #276697 to the mixer and play with it.